Here are a few options, depending on the specific Luhya dialect and context:
* "Nimefurahi leo" (pronounced: Nee-meh-foo-ra-hee leo) - This is a literal translation, using the Swahili word for "happy" and adding "leo" for "today". It's widely understood across Luhya dialects.
* "Nimefuraha leo" (pronounced: Nee-meh-foo-ra-ha leo) - Similar to the above, but using a slightly more formal form of the word "happy".
* "Nimekhukhuliwa leo" (pronounced: Nee-meh-hoo-koo-lee-wa leo) - This phrase implies a feeling of contentment or joy, especially if the joy is connected to a specific event.
* "Nalukhe na ng'ombe leo" (pronounced: Na-loo-keh na ng'om-beh leo) - This phrase means "I am lighthearted today" and implies a carefree and happy state of mind. It's often used when someone is feeling playful and relaxed.
The best option for you will depend on the specific nuance you want to convey.
Remember that Luhya is a diverse language with various dialects. It's always good to check with a native speaker for the most accurate and natural-sounding translation for your specific situation.